A
squib is a small
explosive about the size of a
firecracker[?]. It is often used to ignite a larger
pyrotechnic[?] explosive, such as a
rocket engine. They are also widely used in the
special effects industry to simulate a bullet hit on a person. A "
damp squib" is literally one that fails to go off due to wetting, but the term is come into general use to mean anything that fails to meet expectations.
In the Harry Potter books of J. K. Rowling, a Squib is a person from a wizarding family without any magical powers. Contrast with Muggle.
A Squib[?] is a type of small sailboat originally designed in 1967.
In computing, Squib[?] is a message board[?] system for Zope.